3rd Grade Winter Mini Math Mysteries - Printable and ... 3rd Grade Winter Packet of Mini Math Mysteries (Printable & Digital Worksheets) SKU: 3rdGrade_Winter_MiniMathMyster $5.00 This 3rd Grade Winter Math Packet contains TEN fun Mini-Math Mysteries in both printable and digital formats! This packet is ideal for 3rd Grade or any class working with the math skills and content listed below.